<template>
    <div>
        <el-form ref="loginForm" :model="form" :rules="rules" label-width="80px" class="login-box">
            <h3 class="login-title">后台登录</h3>
            <el-form-item label="账号" prop="username">
                <el-input type="text" placeholder="请输入账号" v-model="form.username" disabled/>
            </el-form-item>
            <el-form-item label="密码" prop="password">
                <el-input type="password" placeholder="请输入密码" v-model="form.password"/>
            </el-form-item>
            <router-link to="/forgetpw">忘码密码</router-link><br><br>
            <el-button type="primary" v-on:click="onSubmit('loginForm')">登录</el-button>
        </el-form>

        <el-dialog
                title="温馨提示"
                :visible.sync="dialogVisible"
                width="30%">
            <span>请输入账号和密码</span>
            <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogVisible = false">确 定</el-button>
      </span>
        </el-dialog>
    </div>
</template>

<script>
    export default {
        name: "Login",
        data() {
            return {
                form: {
                    username: "admin",
                    password: ""
                },

                // 表单验证，需要在 el-form-item 元素中增加 prop 属性
                rules: {
                    username: [
                        {required: true, message: '账号不可为空', trigger: 'blur'}
                    ],
                    password: [
                        {required: true, message: '密码不可为空', trigger: 'blur'}
                    ]
                },

                // 对话框显示和隐藏
                dialogVisible: false
            }
        },
        methods: {
            onSubmit(formName) {
                // 为表单绑定验证功能
                this.$refs[formName].validate((valid) => {
                    if (valid) {
                        console.log(this.form);
                        const self = this;
                        this.$axios({
                            url: "/login",
                            method: "post",
                            data: {"username":self.form.username,"password":self.form.password},
                        }).then(res => {
                            console.log(res);
                            const token = res.data.token;
                            self.$store.commit("SET_TOKEN", token);
                            self.$router.push("/admin");
                        });
                    } else {
                        this.dialogVisible = true;
                        return false;
                    }
                });
            }
        }
    }
</script>

<style scoped>
    .login-box {
        background-color: #FFFFFF;
        border: 1px solid #DCDFE6;
        width: 60%;
        height: 280px;
        line-height: 20px;
        margin: 0 auto;
        padding: 35px 35px 15px 35px;
        border-radius: 5px;
        -webkit-border-radius: 5px;
        -moz-border-radius: 5px;
    }

    .login-title {
        text-align: center;
        margin: 0 auto 40px auto;
        color: #303133;
    }

</style>